How each part of PostGuard works, what its answers actually mean, and where its limits are.
What the extension does the moment you install it, and the two things worth checking before your next post.
Where the score comes from, why every line names its source, and what to do with a high one.
What the signed-out view is, the four answers it can give, and why “not confirmed” is common and not bad news.
Why you write the first line yourself, how length is chosen, and what to check before you post.
What costs credits, what never does, and how to make drafts free with your own key.